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spi: fsl_qspi: Update write data size for page program LUT

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The write data size can be overwritten by writing to the IDATSZ
field of IPCR register. Since the driver always updates the IDATSZ
in page program operation. Set the LUT data size to 0 to align
the codes with iMX.

Signed-off-by: Ye Li <ye.li@nxp.com>
This commit is contained in:
Ye Li
2019-08-14 11:31:31 +00:00
committed by Stefano Babic
parent 7949576664
commit b866b9278a
1 changed files with 1 additions and 11 deletions
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12
drivers/spi/fsl_qspi.c
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@@ -273,19 +273,9 @@ static void qspi_set_lut(struct fsl_qspi_priv *priv)
INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) |
PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
#endif
#if defined(CONFIG_MX6SX) || defined(CONFIG_MX6UL) || \
defined(CONFIG_MX6ULL) || defined(CONFIG_MX7D)
/*
* To MX6SX, OPRND0(TX_BUFFER_SIZE) can not work correctly.
* So, Use IDATSZ in IPCR to determine the size and here set 0.
*/
/* Use IDATSZ in IPCR to determine the size and here set 0. */
qspi_write32(priv->flags, &regs->lut[lut_base + 1], OPRND0(0) |
PAD0(LUT_PAD1) | INSTR0(LUT_WRITE));
#else
qspi_write32(priv->flags, &regs->lut[lut_base + 1],
OPRND0(TX_BUFFER_SIZE) |
PAD0(LUT_PAD1) | INSTR0(LUT_WRITE));
#endif
qspi_write32(priv->flags, &regs->lut[lut_base + 2], 0);
qspi_write32(priv->flags, &regs->lut[lut_base + 3], 0);